$OpenBSD: patch-libdjvu_DjVuDocument_cpp,v 1.1 2016/03/02 20:10:36 juanfra Exp $

"accept documents with duplicate page titles"

http://sourceforge.net/p/djvu/djvulibre-git/ci/77a4dca8dd3acd0acc1680fa14a352c11084e25d/
https://bitbucket.org/jwilk/pdf2djvu/issues/113/duplicate-page-title-1

--- libdjvu/DjVuDocument.cpp.orig	Mon Sep 22 00:06:03 2014
+++ libdjvu/DjVuDocument.cpp	Wed Feb  3 01:51:28 2016
@@ -805,11 +805,9 @@ DjVuDocument::id_to_url(const GUTF8String & id) const
 	    {
 	      GP<DjVmDir::File> file=djvm_dir->id_to_file(id);
 	      if (!file)
-              {
                 file=djvm_dir->name_to_file(id);
-	        if (!file)
-                  file=djvm_dir->title_to_file(id);
-              }
+	      if (!file)
+                file=djvm_dir->title_to_file(id);
 	      if (file)
 	        return GURL::UTF8(file->get_load_name(),init_url);
 	    }
@@ -819,11 +817,9 @@ DjVuDocument::id_to_url(const GUTF8String & id) const
 	    {
 	       GP<DjVmDir::File> file=djvm_dir->id_to_file(id);
 	       if (!file)
-               {
                  file=djvm_dir->name_to_file(id);
-	         if (!file)
-                   file=djvm_dir->title_to_file(id);
-               }
+	      if (!file)
+                file=djvm_dir->title_to_file(id);
 	       if (file)
 	         return GURL::UTF8(file->get_load_name(),init_url.base());
 	    }
